1 files changed, 7 insertions, 0 deletions
diff --git a/info.toml b/info.toml
index 31bb3bf..23abc4b 100644
--- a/info.toml
+++ b/info.toml
@@ -61,3 +61,10 @@ path = "exercises/functions/functions3/main.go"
 mode = "compile"
 hint = """
 When a function expect arguments, you must pass values to them."""
+
+[[exercises]]
+name = "functions4"
+path = "exercises/functions/functions4/main.go"
+mode = "compile"
+hint = """
+Functions that return values must have return types declared in the function signature."""